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  <script>
    // var arr = [10,15,2,32,5,4,20,8,48,54,6];找出数组中小于10 的数据，并组成一个新的数组
    var arr = [10, 15, 2, 32, 5, 4, 20, 8, 48, 54, 6];
    let newArr = [];
    for (var i = 0; i < arr.length; i++) {
      if (arr[i] < 10) { //小于10的，直接推入新数组之中！
        newArr.push(arr[i])
      }
    }
    console.log(newArr);
  </script>
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